29 results
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... bruising” around the areas ... healing process) #Erythema ... Differential Diagnosis #Dermatology ... #SkinRash #Clinical
Tinea, Inframammary Crease: Fungal dermatitis affecting the moist skin beneath this male patient's 
breast tissue

Charlie Goldberg,
, Inframammary Crease ... male patient's breast ... Clinical #Photo #Dermatology ... #SkinRash #Tinea
Erythema Multiforme: skin eruption secondary to allergic reaction from an antibiotic.

Charlie Goldberg, M.D. - UCSD Catalog
Erythema Multiforme ... Images #Clinical #Dermatology ... #SkinRash #Erythema
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Giardiasis #Erythema ... Differential #Diagnosis #Dermatology ... #SkinRash
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... EAC), This is erythema ... the “figurate erythemas ... clinical #photo #dermatology ... #skinrash
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... Images #Clinical #Dermatology ... #SkinRash #Erythema
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
lasts <24hrs • Erythema ... nodules on shins • Erythema ... #Reactive #SkinRash ... #dermatology #Differential
Cafe Au Lait Spots: Pigmented areas adjacent to multiple neurofibromas.

Charlie Goldberg, M.D. - UCSD Catalog of
Spots: Pigmented areas ... Images #Clinical #Dermatology ... #SkinRash #CafeAuLait
Cafe Au Lait Spots: Pigmented areas adjacent to multiple neurofibromas.

Charlie Goldberg, M.D. - UCSD Catalog of
Spots: Pigmented areas ... Images #Clinical #Dermatology ... #SkinRash #CafeAuLait
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Yellowish-red plaques with greasy ... Well-demarcated erythema ... #Eczematous #SkinRash ... #dermatology #Differential